Question: Question 7. For questions 7-9, the element and parameter values Diode forward voltage drop Vd = 1.25 V MOSFET on resistance Ron = 0.2 ohms

Question 7. For questions 7-9, the element and parameter values Diode forward voltage drop Vd = 1.25 V MOSFET on resistance Ron = 0.2 ohms Inductor winding resistance RL = 0.3 ohms Diode reverse recovery time tr = 55 ns Diode recovered charge Qr = 200 nC Switching frequency = 75 kHz The dc bus voltage is Vbus = 400 V. The controller selects the bo cycle such that the PV series string operates at its maximum pov 280 V, Ipv = IL = 7 A. Question 7: Compute the duty cycle of the boost converter. Question 8. Compute the switching loss, in watts. Question 9. Compute the converter efficiency. Enter efficiency as 0 and 1. Question 10. Questions 10-13 involve the boost converter illustra L ic C R. DT, T, In the boost converter above, the diode has forward voltage model this voltage drop as independent of current. All other el modeled as ideal. In this problem, you will find how this voltage equations of the discontinuous conduction mode of the boo transistor duty cycle is D. Derive the conditions under which this converter operates in conduction mode. Express your result in the form K

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